Glucose metabolism is regulated by several hormones. The predominant second messenger in these

mechanisms is



a. glucagon.
b. insulin.
c. adenylyl cyclase.
d. cyclic AMP.
e. mRNA.


D

Biology & Microbiology

You might also like to view...

Tumor cells of the immune system that produce large quantities of antibodies and can be readily cultivated are called ________.

A. lymphoma B. myeloma cells C. monoclonal antibodies D. All of the choices are correct.

Biology & Microbiology

When the size of a population (N) exceeds the carrying capacity (K), population growth is __________________

a. less than zero b. greater than zero

Biology & Microbiology

The phospholipid molecules of most membranes

have a. a hydrophobic head and a hydrophilic tail. b. a hydrophobic head and a hydrophobic tail. c. a hydrophobic head and two hydrophobic tails. d. a hydrophilic head and two hydrophobic tails. e. none of these.

Biology & Microbiology

What is the function of NADH and FADH2 in cellular respiration?

a. They help break down glucose b. They carry electrons to the electron transport chain c. They oxidize pyruvate d. They produce ATP e. They assist in making acetyl groups

Biology & Microbiology